issue: 424514 use scheduled_events deque as spill buffer incsae share C/J event queue is full

Change-Id: I0199592cd0fb57e2bf84f1d845ecaf4b6b378acc
issue: 420849 printing ERROR in case xio_accept fails and in case ptrSesServer is 0 JXIOGeneralException is thrown

Change-Id: I2ace1a19e8afa22a0d531cc62ce899f7b3bfdd71